import 'package:event_bus/event_bus.dart';
export 'dart:async';
class EventBusUtil {
  static EventBus? _eventBus;

  static EventBus getInstance() {
    _eventBus ??=  EventBus();
    return _eventBus!;
  }
}

class PageEvent {
  String test;
  PageEvent(this.test);
}